Home / 3,864.70-5,797.05-2,630.87

Finding the Fourth Proportional to 3,864.70, 5,797.05 and 2,630.87

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Solution

The fourth proportional to 3,864.70, 5,797.05 and 2,630.87 is: 3,946.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,864.70 : 5,797.05 = 2,630.87 : x
  2. Step 2: Convert to fraction form
    3,864.70/5,797.05 = 2,630.87/x
  3. Step 3: Cross multiply
    3,864.70x = 5,797.05 × 2,630.87
  4. Step 4: Simplify right side
    3,864.70x = 15,251,284.93
  5. Step 5: Solve for x
    x = 15,251,284.93/3,864.70
  6. Step 6: Final answer
    x = 3,946.31

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.